Zinc oxide has long been recognized as an effective sunscreen agent. However, there have been calls for sunscreens containing ZnO nanoparticles to be banned because of potential toxicity and the need for caution in the absence of safety data in humans.

USP has updated the General Chapter <591> «Zinc Determination» monograph to include ion chromatography as the preferred method for measuring zinc oxide assay. USP 41–NF 36 was developed in partnership with Metrohm and replaces manual titration methods.

Although oily skin can clog pores and lead to increased acne breakouts, dermatologists from the American Academy of Dermatology say oily skin also has many benefits. Oil helps preserve the skin, and people with oily skin tend to have thicker skin and fewer wrinkles.

Skin cancer is the most common cancer in the United States, and it only takes one blistering sunburn during childhood or adolescence to nearly double a person's chance of developing melanoma, the deadliest form of skin cancer, later in life.

The harmful effects of the sun's ultraviolet (UV) rays are well publicised and the risk of developing skin cancer has scared many people into using a sunscreen product to protect their skin when exposed to the sun. However, a recent test of the performance of a range of marketed sun protection products revealed that many of them fail to provide adequate protection against UV rays.

Sunscreen can be a valuable tool for skin cancer prevention -; but only if it's used correctly. When applying sunscreen, many people make mistakes that could compromise their protection from the sun's harmful ultraviolet rays, which may increase their risk of skin cancer.

As the winter temperatures begin to thaw, many may be dreaming of a sun-drenched spring and summer, and some may be hoping to show off a tan. While these individuals may believe tanning makes them more beautiful, this habit can actually damage their skin in the long run.

An effective vaccine against the virus that causes genital herpes has evaded researchers for decades. But now, researchers from the University of Illinois at Chicago working with scientists from Germany have shown that zinc-oxide nanoparticles shaped like jacks can prevent the virus from entering cells, and help natural immunity to develop.

Brown University researchers have created a new type of optoelectronic implantable device to access brain microcircuits, synergizing a technique that enables scientists to control the activity of brains cells using pulses of light.

As many begin to spend long summer days outside, it's crucial to have the right information about skin protection and the dangers of sun exposure. Today, Montefiore dermatologist Dr. Holly Kanavy debunks many widely-shared myths regarding skin care and offers accurate information to help people enjoy the outdoors this summer while preserving their skin.

Exposure of a model human colon to metal oxide nanoparticles, at levels that could be present in foods, consumer goods, or treated drinking water, led to multiple, measurable differences in the normal microbial community that inhabits the human gut.

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